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11954481108 = 2233726924507
BaseRepresentation
bin10110010001000101…
…01110011111010100
31010212010110120011120
423020202232133110
5143440321343413
65254122003540
7602146261413
oct131042563724
933763416146
1011954481108
115084aa1659
1223976465b0
1311868b7c7b
1481596d47a
1549e77d723
hex2c88ae7d4

11954481108 has 24 divisors (see below), whose sum is σ = 28647676512. Its totient is φ = 3877128864.

The previous prime is 11954481089. The next prime is 11954481167. The reversal of 11954481108 is 80118445911.

11954481108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11954481108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13461810 + ... + 13462697.

It is an arithmetic number, because the mean of its divisors is an integer number (1193653188).

Almost surely, 211954481108 is an apocalyptic number.

It is an amenable number.

11954481108 is an abundant number, since it is smaller than the sum of its proper divisors (16693195404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11954481108 is a wasteful number, since it uses less digits than its factorization.

11954481108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26924551 (or 26924549 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 42.

The spelling of 11954481108 in words is "eleven billion, nine hundred fifty-four million, four hundred eighty-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 26924507 53849014 80773521 107698028 161547042 323094084 996206759 1992413518 2988620277 3984827036 5977240554 11954481108